25562271

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 42993504

約数和(自身を除く): 17431233

約数列:

[1, 3, 7, 17, 21, 49, 51, 53, 119, 147, 159, 193, 357, 371, 579, 833, 901, 1113, 1351, 2499, 2597, 2703, 3281, 4053, 6307, 7791, 9457, 9843, 10229, 18921, 22967, 28371, 30687, 44149, 68901, 71603, 132447, 160769, 173893, 214809, 482307, 501221, 521679, 1217251, 1503663, 3651753, 8520757, 25562271]

約数ペア:

[(1, 25562271), (3, 8520757), (7, 3651753), (17, 1503663), (21, 1217251), (49, 521679), (51, 501221), (53, 482307), (119, 214809), (147, 173893), (159, 160769), (193, 132447), (357, 71603), (371, 68901), (579, 44149), (833, 30687), (901, 28371), (1113, 22967), (1351, 18921), (2499, 10229), (2597, 9843), (2703, 9457), (3281, 7791), (4053, 6307)]